1111199166 has 144 divisors (see below), whose sum is σ = 3114369648. Its totient is φ = 283046400.

The previous prime is 1111199153. The next prime is 1111199171. The reversal of 1111199166 is 6619911111.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111199166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 513126 + ... + 515286.

It is an arithmetic number, because the mean of its divisors is an integer number (21627567).

Almost surely, 2^1111199166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111199166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557184824).

1111199166 is an abundant number, since it is smaller than the sum of its proper divisors (2003170482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111199166 is a wasteful number, since it uses less digits than its factorization.

1111199166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2237 counting only the distinct ones).

The product of its digits is 2916, while the sum is 36.

The square root of 1111199166 is about 33334.6541304991. The cubic root of 1111199166 is about 1035.7715286299.

The spelling of 1111199166 in words is "one billion, one hundred eleven million, one hundred ninety-nine thousand, one hundred sixty-six".